Charging base for a cordless telephone



FIG. 1 is a top, front, and left side perspective view of a charging base for a cordless telephone showing our new design;

FIG. 2 is a rear elevational view thereof;

FIG. 3 is a right side elevational view thereof; and,

FIG. 4 is a bottom plan view thereof. 

The ornamental design for a charging base for a cordless telephone, as shown and described. 